HB3YAQ · TROUBLESHOOTING WORKSHOP

Radio problem.
A clear next step.

You observe; the workshop guides you. Narrow down a problem with focused questions, understand the connections and find the next useful test.

From symptom to the next test
01 Observe02 Narrow down03 Test

Where does it go wrong?

Three guided checks · Revise answers at any time

No reception?

From a silent speaker to an overloaded SDR: work through the receiving chain.

AudioTuningSignal path
Start checking

DMR stays silent?

Check channel, RF link and network separately — through a repeater or your own Pi-Star hotspot.

RF linkNetworkTalkgroup
Start checking

SWR too high?

Separate measurement setup, cable and antenna before changing antenna length.

MeasurementReferenceAntenna system
Start checking

One change per test.

Observe, change one setting and compare again. That way you know what actually helped.

Keep track of your checks.

Review and correct answers, then share or print the current check. No sign-in required.

Observations guide the next step.

The workshop does not measure hardware or know its live status. Your answers lead to useful checks, with sources for further reading.